Automatic Speech Recognition on Mobile Devices and over Communication Networks

Part of the series Advances in Pattern Recognition pp 87-106

Distributed Speech Recognition Standards

  • David PearceAffiliated withApplications Research Centre, Motorola Labs

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This chapter provides an overview of the industry standards for Distributed Speech Recognition developed in ETSI, 3GPP and IETF. These standards were created to ensure interoperability between the feature extraction running on a client device and a compatible recogniser running on a remote server. They are intended for use in the implementation of commercial services for speech and multimodal services over mobile networks. In the process of developing and agreeing the standards substantial performance testing was conducted and these results are also summarised here. While other chapters provide more general information about feature extraction and channel error processing for DSR this chapter focuses on introducing the specifics of the standards.